If I didn't ever hear 0.2 bars again, or see it on a test, I'd live as long and just as safely....
Occasionally one will luck into being taught by a fifted instructor. In a very few of those occasions, you'll FLY with an instructor who will step outside the company and FAA test to teach new and specific to HEMS skills.
You would be astounded at the the pilots you fly with who dont understand the basic principles they apply daily.
A fast, high sink downwind approach that results in VRS? What a shock that is.
Flying twins is 'safer'? Yeah, but only if you understand why and apply that knowledge. Otherwise you'll toast your remaining engine and crash just like a single.
The GPS will tell you pretty exactly where you are whether you're on the direct line from departure to destination or avoiding hazaedous weather, terrain. But they'll follow that line right into a mountain, icing, rather than sacifice 5 minutes flying around the hazard.
And don't get me started on autopilots....